From c47a222c83876aeb488e1fe3a40ebe4c990309ad Mon Sep 17 00:00:00 2001
From: Dan Buch <daniel.buch@gmail.com>
Date: Thu, 27 Aug 2015 00:50:25 -0400
Subject: [PATCH] Add cache control headers

---
 cpi_feed.rb | 1 +
 1 file changed, 1 insertion(+)

diff --git a/cpi_feed.rb b/cpi_feed.rb
index 6040501..3689ca7 100644
--- a/cpi_feed.rb
+++ b/cpi_feed.rb
@@ -8,6 +8,7 @@ class CPIFeed < Sinatra::Base
   get '/' do
     resp = JSON.parse(Faraday.get(cpi_series_url).body)
 
+    expires 300, :public, :must_revalidate
     content_type :csv
     "cpi\n#{resp['Results']['series'].first['data'].first['value']}\n"
   end